Browse by topic
    Subscribe to our news

    News

    When 'Keeping Them Out' Fails: Rethinking Critical Infrastructure Security After Poland

    on January 24, 2026 | By Mike Ichiriu
    On December 29, 2024, almost exactly ten years after Russian hackers blacked out 250,000 Ukrainians in the first-ever cyberattack to take down a power grid, the same threat group struck again. This time, the target was Poland.
    Read

    Zero Trust

    Legacy Shadows: Illuminating Zero Trust Paths for Agencies in Brownfield Battles

    on December 17, 2025 | By Mike Ichiriu
    How federal agencies and their contractors can achieve Zero Trust for OT without disrupting mission-critical operations A control systems engineer is handed a mandate to achieve Target Level Zero Trust across an operational technology environment ...
    Read

    Zero Trust

    BRICKSTORM Is a Wake-Up Call: Stop What You're Doing and Protect Your DMZ

    on December 12, 2025 | By Mike Ichiriu
    On December 4th, CISA, the NSA, and Canadian Centre for Cyber Security dropped a joint advisory that should have every IT and security leader pulling up their network diagrams. The threat? BRICKSTORM, a sophisticated backdoor attributed to PRC ...
    Read

    Zero Trust

    CMMC Compliance Accelerated: How Zero Trust Architecture Delivers Faster Results

    on November 16, 2025 | By Mike Ichiriu
    The Cybersecurity Maturity Model Certification (CMMC) has fundamentally changed the cybersecurity landscape for defense contractors. With CMMC Level 2 requirements being phased into DoD contracts starting in 2025, organizations can no longer rely on ...
    Read

    Cybersecurity

    Food Manufacturing Cybersecurity | Why Segmentation Is Critical

    on November 11, 2025 | By Mike Ichiriu
    A Wake-Up Call for Food Manufacturing Executives The ransomware attack hit without warning. Within hours, production lines at a major food distributor ground to a halt. Three weeks later, when systems finally came back online, the damage totaled ...
    Read

    Cybersecurity

    Defend the Airport - Real-World Lessons in Aviation Cybersecurity

    on July 11, 2025 | By Mike Ichiriu
    I recently had the privilege of attending Defend the Airport, a leading aviation cybersecurity conference hosted by the Technology Advancement Center (TAC) in Columbia, MD. TAC is a nonprofit organization dedicated to fueling the people and ...
    Read

    Microsegmentation

    Why Utilities Need Both: The Hybrid Agent/Agentless Approach to Segmenting Modern Electric Grid Infrastructure

    on May 22, 2025 | By Mike Ichiriu
    In the world of cybersecurity, passionate debates often emerge about the "right" approach to microsegment critical systems. For years, vendors have staked claims on either agent-based or agentless segmentation, advocating their chosen method as the ...
    Read

    Cybersecurity

    The Role of ZTNA and Microsegmentation in Cybersecurity

    on May 2, 2025 | By Mike Ichiriu
    Zero Trust Network Access (ZTNA) and microsegmentation are two of the most popular tools shaping next-generation cybersecurity. However, organizations typically treat these as two separate initiatives to be implemented and managed by two separate ...
    Read

    Beyond Compliance: How Volt Typhoon Is Rewriting the Rulebook for Utility Cybersecurity

    on March 11, 2025 | By Mike Ichiriu
    When major U.S. utilities began discovering unauthorized access in their operational systems in early 2023, initial investigations suggested routine compliance issues. The reality, however, was far more concerning: a sophisticated state-sponsored ...
    Read

    Insider

    ZTNA vs. VPN

    on February 26, 2025 | By Mike Ichiriu
    Virtual private networks (VPNs) have been the go-to solution for remote access for business users to connect back to corporate networks. In the days before remote and hybrid work went mainstream, VPN access was provisioned sparingly due to cost and ...
    Read

    Stay Connected

    Sign up for our newsletter and to be notified of product, solution, and company news.

    © 2026 Zentera Systems, Inc. Terms of Service Privacy Policy Open Source